A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5925-01-419-5430
NSN 6610-01-490-2020
NSN 5855-01-305-6101
NSN 5965-01-408-9551
NSN 5915-01-215-7405
NSN 5835-01-238-2061
NSN 5945-00-010-8336
NSN 6135-01-388-2761
NSN 5985-01-652-1741
NSN 5999-01-386-5834
NSN 6135-01-633-8502
NSN 5950-00-269-2698